313123213301291 has 2 divisors, whose sum is σ = 313123213301292. Its totient is φ = 313123213301290.

The previous prime is 313123213301273. The next prime is 313123213301341. The reversal of 313123213301291 is 192103312321313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313123213301291 - 2²⁶ = 313123146192427 is a prime.

It is a super-2 number, since 2×313123213301291² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313123213301201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156561606650645 + 156561606650646.

It is an arithmetic number, because the mean of its divisors is an integer number (156561606650646).

Almost surely, 2^{313123213301291} is an apocalyptic number.

313123213301291 is a deficient number, since it is larger than the sum of its proper divisors (1).

313123213301291 is an equidigital number, since it uses as much as digits as its factorization.

313123213301291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 313123213301291 in words is "three hundred thirteen trillion, one hundred twenty-three billion, two hundred thirteen million, three hundred one thousand, two hundred ninety-one".